5/16-18 x 1 1/2 Phillips Flat Undercut Machine Screw Fully Threaded Zinc M14-2.0 These screws are also zinc-plated

These screws are also zinc-plated for added corrosion resistance

or securing a mailbox

while the square drive head allows for easy installation with a standard square driver bit

This 1/4-20 x 2 carriage bolt is made of 18-8 stainless steel

This alloy gives the nuts excellent resistance to rust and corrosion

5/16-18 x 1 1/2 Phillips Flat Undercut Machine Screw Fully Threaded Zinc M14-2.0 These screws are also zinc-platedThe 5 16 18 x 1 1 2 Phillips Flat Undercut Machine Screw Fully Threaded Zinc is a type of screw that is used in a variety of applications. It is made of zinc plated steel, which gives it good corrosion resistance. The screw has a Phillips head, which makes it easy to drive with a screwdriver. The flat undercut head allows the screw to be countersunk into the material being fastened. The screw is fully threaded, which means that it can be used to